--- a/eosd
+++ b/eosd
@@ -29,27 +29,35 @@ parser = argparse.ArgumentParser(descrip
 
 parser.add_argument('data', metavar='DAT', default=default_data, nargs='*', help='Game’s data files')
 parser.add_argument('-p', '--path', metavar='DIRECTORY', default='.', help='Game directory path.')
-parser.add_argument('-s', '--stage', metavar='STAGE', type=int, default=None, help='Stage, 1 to 7 (Extra).')
-parser.add_argument('-r', '--rank', metavar='RANK', type=int, default=0, help='Rank, from 0 (Easy, default) to 3 (Lunatic).')
-parser.add_argument('-c', '--character', metavar='CHARACTER', type=int, default=0, help='Select the character to use, from 0 (ReimuA, default) to 3 (MarisaB).')
-parser.add_argument('--replay', metavar='REPLAY', help='Select a replay')
-parser.add_argument('--save-replay', metavar='REPLAY', help='Save the upcoming game into a replay file')
-parser.add_argument('--skip-replay', action='store_true', help='Skip the replay and start to play when it’s finished')
-parser.add_argument('-b', '--boss-rush', action='store_true', help='Fight only bosses')
-parser.add_argument('--single-buffer', action='store_true', help='Disable double buffering')
-parser.add_argument('--fps-limit', metavar='FPS', default=-1, type=int, help='Set fps limit. A value of 0 disables fps limiting, while a negative value limits to 60 fps if and only if vsync doesn’t work.')
 parser.add_argument('--debug', action='store_true', help='Set unlimited continues, and perhaps other debug features.')
-parser.add_argument('--fixed-pipeline', action='store_true', help='Use the fixed pipeline instead of the new programmable one.')
-parser.add_argument('--no-background', action='store_false', help='Disable background display (huge performance boost on slow systems).')
-parser.add_argument('--no-particles', action='store_false', help='Disable particles handling (huge performance boost on slow systems).')
-parser.add_argument('--no-sound', action='store_false', help='Disable music and SFX.')
-parser.add_argument('--hints', metavar='HINTS', default=None, help='Hints file, to display text while playing.')
 parser.add_argument('--verbosity', metavar='VERBOSITY', choices=['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'], help='Select the wanted logging level.')
-parser.add_argument('--game', metavar='GAME', choices=['EoSD'], default='EoSD', help='Select the game engine to use.')
-parser.add_argument('--port', metavar='PORT', type=int, default=0, help='Local port to use for netplay')
-parser.add_argument('--remote', metavar='REMOTE', default=None, help='Remote address')
-parser.add_argument('--no-friendly-fire', action='store_false', help='Allow friendly-fire during netplay.')
-parser.add_argument('--backend', metavar='BACKEND', choices=['opengl', 'sdl'], default='opengl', help='Which backend to use (opengl or sdl for now).')
+
+game_group = parser.add_argument_group('Game options')
+game_group.add_argument('-s', '--stage', metavar='STAGE', type=int, default=None, help='Stage, 1 to 7 (Extra), nothing means story mode.')
+game_group.add_argument('-r', '--rank', metavar='RANK', type=int, default=0, help='Rank, from 0 (Easy, default) to 3 (Lunatic).')
+game_group.add_argument('-c', '--character', metavar='CHARACTER', type=int, default=0, help='Select the character to use, from 0 (ReimuA, default) to 3 (MarisaB).')
+game_group.add_argument('-b', '--boss-rush', action='store_true', help='Fight only bosses.')
+game_group.add_argument('--game', metavar='GAME', choices=['EoSD'], default='EoSD', help='Select the game engine to use.')
+game_group.add_argument('--hints', metavar='HINTS', default=None, help='Hints file, to display text while playing.')
+
+replay_group = parser.add_argument_group('Replay options')
+replay_group.add_argument('--replay', metavar='REPLAY', help='Select a file to replay.')
+replay_group.add_argument('--save-replay', metavar='REPLAY', help='Save the upcoming game into a replay file.')
+replay_group.add_argument('--skip-replay', action='store_true', help='Skip the replay and start to play when it’s finished.')
+
+netplay_group = parser.add_argument_group('Netplay options')
+netplay_group.add_argument('--port', metavar='PORT', type=int, default=0, help='Local port to use.')
+netplay_group.add_argument('--remote', metavar='REMOTE', default=None, help='Remote address.')
+netplay_group.add_argument('--friendly-fire', action='store_true', help='Allow friendly-fire during netplay.')
+
+graphics_group = parser.add_argument_group('Graphics options')
+graphics_group.add_argument('--backend', metavar='BACKEND', choices=['opengl', 'sdl'], default='opengl', help='Which backend to use (opengl or sdl for now).')
+graphics_group.add_argument('--fixed-pipeline', action='store_true', help='Use the fixed pipeline instead of the new programmable one.')
+graphics_group.add_argument('--single-buffer', action='store_true', help='Disable double buffering.')
+graphics_group.add_argument('--fps-limit', metavar='FPS', default=-1, type=int, help='Set fps limit. A value of 0 disables fps limiting, while a negative value limits to 60 fps if and only if vsync doesn’t work.')
+graphics_group.add_argument('--no-background', action='store_false', help='Disable background display (huge performance boost on slow systems).')
+graphics_group.add_argument('--no-particles', action='store_false', help='Disable particles handling (huge performance boost on slow systems).')
+graphics_group.add_argument('--no-sound', action='store_false', help='Disable music and sound effects.')
 
 args = parser.parse_args()
 
@@ -262,7 +270,7 @@ with SDL(sound=args.no_sound):
          args.character, args.replay, args.save_replay, args.skip_replay,
          args.boss_rush, args.debug, args.no_background, args.no_particles,
          args.hints, args.verbosity, args.port, args.remote,
-         args.no_friendly_fire)
+         args.friendly_fire)
 
     import gc
     gc.collect()